.n0,.n1,.n2,.n3{font-family:arial,tahoma,sans-serif;font-size:9px;color:#000;width:12px}.n0{background:#ccc}.n1{background:#ccc url('japan/icon/v-line.gif') right no-repeat}.n2{background:#ccc url('japan/icon/g-line.gif') bottom no-repeat}.n3{background:#ccc url('japan/icon/angle.gif') right bottom no-repeat}.b0{background:#fff}.b1{background:#fff url('japan/icon/v-line.gif') right no-repeat}.b2{background:#fff url('japan/icon/g-line.gif') bottom no-repeat}.b3{background:#fff url('japan/icon/angle.gif') right bottom no-repeat}.bb{background:#000}.bb0{background:#777}.bb1{background:#777 url('japan/icon/v-line.gif') right no-repeat}.bb2{background:#777 url('japan/icon/g-line.gif') bottom no-repeat}.bb3{background:#777 url('japan/icon/angle.gif') right bottom no-repeat}.b0x{background:url('japan/icon/cross.gif') #fff no-repeat}.b1x{background:#fff url('japan/icon/v-line-c.gif') right no-repeat}.b2x{background:#fff url('japan/icon/g-line-c.gif') bottom no-repeat}.b3x{background:#fff url('japan/icon/angle-c.gif') right bottom no-repeat}h2.hn span.jheadicon{vertical-align:top;visibility:hidden}h2.hn:hover span.jheadicon{visibility:visible}.jheadicon{font-size:10pt}